Restructuring And Related Charges (Summary Of Costs Incurred By Reporting Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 12.2	$ 20.7	$ 61.6	$ 42.2
Cumulative costs	113.9		113.9
Future costs to be incurred	74.8		74.8
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	9.1	14.6	38.0	25.4
Cumulative costs	80.3		80.3
Future costs to be incurred	61.8		61.8
HHI
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0.3	1.1	0.9	4.3
Cumulative costs	1.4		1.4
Future costs to be incurred	1.5		1.5
HPC
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0.7	3.2	3.6	4.7
Cumulative costs	11.6		11.6
Future costs to be incurred	6.0		6.0
GPC
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	2.1	1.4	18.8	6.4
Cumulative costs	18.5		18.5
Future costs to be incurred	1.1		1.1
H&G
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0.0	$ 0.4	0.3	$ 1.4
Cumulative costs	2.1		2.1
Future costs to be incurred	$ 4.4		$ 4.4